2599-POLOLU Magnetic Encoder Disc for Micro Metal Gearmotors, 12 CPR

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US$0.97
2599-POLOLU
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2599-POLOLU Magnetic Encoder Disc for Micro Metal Gearmotors, 12 CPR

These magnetic discs can be used with our micro metal gearmotors with extended motor shafts as part of a quadrature encoder system that offers 12 counts per revolution. Appropriate Hall Effect sensors, such as those in our magnetic encoder pair kits, are required to complete the system. 

These are the same magnetic discs we include with our magnetic encoder pair kits. They are 2 mm thick with a 7.65 mm diameter, and the hole through the center enables them to securely press-fit onto the 1mm-diameter motor shafts of our micro metal gearmotors with extended motor shafts. The disc consists of six evenly spaced magnetic poles (three north-south pairs), which allows for an encoder system that offers 12 counts per revolution.

Dimensions

Size: 7.65 mm diameter × 2 mm thick
Weight: 0.3 g

 

Part#
Product
Size
Weight (g)
Minimum operating voltage (V)
Maximum operating voltage (V)
Voltage (V)
Average input current (mA)
PCB dev codes
Other PCB markings
1523-POLOLU Magnetic Encoder Pair Kit for Mini Plastic Gearmotors, 12 CPR, 2.7-18V 20 mm × 16.5 mm1 2.42 2.7 18     enc04a 0J9719
3081-POLOLU Magnetic Encoder Pair Kit for Micro Metal Gearmotors, 12 CPR, 2.7-18V (HPCB compatible) 10.6 mm × 11.6 mm3 1.04 2.7 18     enc03b 0J8984
2599-POLOLU Magnetic Encoder Disc for Micro Metal Gearmotors, 12 CPR (Bulk) 7.65 mm diameter × 2 mm thick 0.3            
2591-POLOLU Optical Encoder Pair Kit for Micro Metal Gearmotors, 3.3V 9.6 mm × 11.6 mm 0.75     3.3 24    
2590-POLOLU Optical Encoder Pair Kit for Micro Metal Gearmotors, 5V 9.6 mm × 11.6 mm 0.75     5 12    
1218-POLOLU Pololu 42×19mm Wheel and Encoder Set                
1217-POLOLU Encoder for Pololu Wheel 42x19mm                

Notes:

1. The assembled encoder will extend 4.25 mm beyond the back of the motor (it fits entirely within the length of the extended motor shaft).
2. Weight of full set. Each encoder board weighs ~0.6 g and each magnet disc weighs ~0.6 g.
3. The assembled encoder will extend 5 mm beyond the plastic motor end cap (it fits entirely within the length of the extended motor shaft).
4. Weight of full set. Each encoder board weighs ~0.2 g and each magnet disc weighs ~0.3 g.
5. Weight of full set. Each encoder board weighs ~0.2 g and each encoder wheel is less than 0.1 g.

 

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